Answer
$ 87 \ joules $
Work Step by Step
Suppose $D$ is the displacement vector
$D=\lt 5-1, 3-0,8-2 \gt=\lt 4, 3, 6 \gt $
Work can be computed as: $W=F \cdot D$
Thus:
$W= \lt 3, 5, 10 \gt \cdot \lt 4, 3, 6 \gt$
or, $=(3)(4) +(5)(3) +(10)(6)$
or, $ = 87 \ joules $
